Question about ovulation

Amanda

So I should have ovulated around New Year’s <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">Eve</a>. Didn’t have any signs of “O” period due today- no sign. Had sex Saturday night- ewcm yesterday and today, sharp pain in lower right side. Is it possible that it was that far off and I actually ovulated yesterday? If so how long do I wait to test?